Find a parametrization for the line segment beginning at P1 and ending at P2.P1(5, -7, -4) and P2(0, -7, -6)
A. x = -5t + 5, y = -7t, z = -2t - 4, 0 ? t ? 1
B. x = 5t, y = -7t, z = 2t - 6, 0 ? t ? 1
C. x = -5t + 5, y = -7, z = -2t - 4, 0 ? t ? 1
D. x = 5t, y = -7, z = 2t - 6, 0 ? t ? 1
Answer: C
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Find the domain of the function. Express the answer in interval notation.g(x) = 
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Eliminate the parameter.x = 
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A. y = 2
+ 5, x ? 0
B. y = 2
- 5, x ? 0
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D. y = 2x2 - 5